Games like Skyfire Embers
Games like Skyfire Embers include Zombotron, Aimlabs, Bit Blaster XL, Broforce, and Guns, Gore and Cannoli 2. We matched them by the tags players give Skyfire Embers on Steam (Action, Adventure, 2D Fighter, Shooter, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Zombotron
Shared: Action · Adventure · Shooter

Aimlabs
Shared: Action · Shooter · Adventure

Bit Blaster XL
Shared: Bullet Hell · Shooter · Shoot 'Em Up

Broforce
Shared: Action · Shooter · 2D

Guns, Gore and Cannoli 2
Shared: Action · Side Scroller · Shooter

Revolution Ace
Shared: Action · Shoot 'Em Up · Shooter

Jets'n'Guns 2
Shared: Action · Shoot 'Em Up · Indie

ICEY
Shared: Action · Adventure · Side Scroller

Your Only Move Is HUSTLE
Shared: Action · 2D Fighter · 2D

Exit the Gungeon
Shared: Action · Adventure · Bullet Hell

Iron Snout
Shared: Action · 2D Fighter · Indie

DRAINUS
Shared: Action · Shooter · Shoot 'Em Up

Apex Legends™
Shared: Shooter · Action · Free to Play

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Shooter

My Friend Pedro
Shared: Action · Shooter · Indie

Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell

Grand Theft Auto V Legacy
Shared: Action · Adventure · Shooter

RADical ROACH Remastered
Shared: Action · Adventure · Indie

LUFTRAUSERS
Shared: Action · Bullet Hell · Indie

Dungeon Munchies
Shared: Action · Adventure · Indie

Shank 2
Shared: Action · Adventure · Indie

Relic Hunters Zero: Remix
Shared: Action · Adventure · Bullet Hell

BioShock Infinite
Shared: Action · Shooter · Adventure

12 is Better Than 6
Shared: Action · Shooter · Indie